With the loss of everything in spring, Seo Dal-mi found solace in the letters of Nam Do-san. Fifteen years passed, and now she requires his presence to refute Won In-jae's claims.

To safeguard Dal-mi’s history and ensure her future, Choi Won-deok implores Han Ji-pyeong to undertake a seemingly insurmountable challenge.

Ji-pyeong strives to mold Do-san into the ideal partner for Dal-mi. A harsh reality serves as a catalyst, prompting In-jae to abandon one path and embrace a new one.

Though their histories diverge, Dal-mi and In-jae strive toward their aspirations from a shared beginning. Ji-pyeong resolves to safeguard Dal-mi and assist Do-san.

On the hackathon stage, Dal-mi and In-jae shared their teams’ proposals. A glimpse into Dal-mi’s past stirred something within Ji-pyeong, igniting a fierce determination to champion her aspirations.

In-jae skillfully applies the wisdom gleaned from both her father and stepfather. A dispute regarding company shares puts Dal-mi to the test, prompting her to seek counsel from Ji-pyeong.

Torn by his emotions for Dal-mi, Ji-pyeong actively avoids her presence. Meanwhile, Do-san, privy to Won-deok’s situation, conceives of a business opportunity for Samsan Tech.

A fresh wave of sorrow fuels Dal-mi’s determination to see the app thrive. Won Du-jeong’s attempt to punish Do-san and Dal-mi miscalculates, leading to unforeseen consequences.

The burden of unspoken truths pressed heavily on Do-san and Ji-pyeong. Doubt gnawed at them, compounded by a confusing series of events that led Dal-mi back to the very place where their story began.

Ji-pyeong finally offers Dal-mi the answers she has waited for, along with a heartfelt confession. Meanwhile, Do-san, striving for achievement defined by his own values, contemplates a remarkable opportunity.

Kim Yong-san compelled Ji-pyeong to reconsider his earlier words. Meanwhile, In-jae and Dal-mi’s companies presented competing initiatives, both built upon the same technological foundation.

Alex Kwon revealed his true nature, validating Ji-pyeong’s concerns and confirming Samsan Tech's deepest anxieties. Meanwhile, Do-san informed Ji-pyeong of Won-deok's condition.

A ransomware attack cripples the autonomous vehicle owned by Dal-mi and In-jae. Meanwhile, the founders of Samsan Tech return from a successful three-year period in San Francisco.

Hoping to attract the best talent to her firm, Dal-mi presents her proposal at Samsan Tech. Meanwhile, Do-san seeks refuge in solitude to regain his composure.

Jung Sa-ha and Lee Chul-san embarked on a clandestine romance. Over drinks, a candid and deeply emotional discussion with Do-san proved pivotal, allowing Ji-pyeong to finally decide his course of action regarding Dal-mi.

Do-san and Dal-mi contemplate the horizons of their shared future, charting new aspirations together. Ji-pyeong seeks a means to express the depth of his gratitude to Won-deok. In-jae makes a deliberate journey back to the place of her orig…