Operation Proposal

Kang Baek-ho is heartbroken as he watches his first love, Yi-seul, marry another man. But then a mysterious stranger gives him a chance for a do-over. (Source: Netflix)

Back in high school, Baek-ho tries to make it up to Yi-seul by getting her movie tickets for a date. (Source: Netflix)

Baek-ho changes his pitch during a crucial game to avoid an injury that ruined his baseball career. A new coach for the high school team arrives. (Source: Netflix)

Having an insight on the future, Baek-ho tries to help his friends realize their true passions while in high school, before it's too late. (Source: Netflix)

Baek-ho is envious of Joo Tae-nam's ability to proclaim his love for Yoo Chae-ri. His actions begin to drastically affect his future. (Source: Netflix)

Yi-seul's grandfather helps Baek-ho regain his courage and strength to stand on the pitcher's mound. (Source: Netflix)

Baek-ho decides to let go of Yi-seul so that she can fulfill her own dreams of becoming a sports agent. (Source: Netflix)

Baek-ho goes back to his military days in the hopes of seeing Yi-seul when she visits him at the base, but things don't work out as planned. (Source: Netflix)

With Chan-wook's help, Baek-ho wonders whether he truly deserves Yi-seul over Jin-won. (Source: Netflix)

Baek-ho discovers that despite successfully getting Yi-seul as his girlfriend in the past, he made an unforgivable mistake that led to their breakup. (Source: Netflix)

After all the attempts at winning over Yi-seul's heart, Baek-ho doesn't expect them to grow apart ... and for her to possibly have a change of heart. (Source: Netflix)

Baek-ho's mother unwittingly causes friction between him and Yi-seul. Jin-won's dreams of forming a Third League begin to come true. (Source: Netflix)

The conductor tries to give Baek-ho a chance to forget about Yi-seul, but his love is too strong. The friends head to the beach for New Year's Eve. (Source: Netflix)

Baek-ho's constant time traveling drastically changes the future when he reaches one where Yi-seul no longer exists. (Source: Netflix)

Baek Ho tries to figure out what happened to Yi Seul before her death, what she was researching. He discovers the real identity of the Conductor and finally finds out about who his… read more

Baek Ho saved Yi Seul by getting into an accident instead of her - and woke up remembering everything but who she was. Yi Seul and the Coach continue on with the wedding, but as a… read more