The abrupt breakup with your boyfriend, Jun Kang leaves you breathless. Disbelief takes hold as he confesses to cheating, a stark contrast to the talks of marriage you had not long ago.

Days later, a call informs you of his car accident. You rush to the hospital and find him on the bed, lifeless and unconscious. The doctor confirms his passing.

In that moment, you catch sight of his younger brother, Yu Han, being wheeled into the operation room.