Once famous for his quick blade, a retired assassin can no longer earn a living with his cut-throat skills. Summoned again, he partners with his chauffeur to carry out special missions – fullfilling the wishes of old people looking to kill themselves. When commissioned by a young girl who has been deserted by her parents and lover, the "Elderly's Angel" squad finds an arresting way to complete its task.
Sequel to 77 Heartbreaks, 77 Heartwarmings, sees the return of Charlene Choi as Eva, and Chau Pak-ho as her ex-boyfriend Adam. Although it has been a year since their relationship ended, Adam is still very fond of Eva and hopes to win her back. He comes across an app that teaches him what to do to reignite the passion in Eva. While Adam tries the tips mentioned in the app and gradually bridges the gap between them, Eva meets Thai star Marvel (Mario Maurer), who also vies for Eva’s love.