Mariana, a cheerful cupcake entrepreneur who was delivering cupcake orders, was suddenly hit by Rain, the son of a well-known businessman.

Mariana asked Rain to accompany her to deliver cupcakes for a children's event, but because of Rain's negligence the Cuocake to be delivered was Broken.

Mariana's father, Irfan, birthday. So Mariana asks Rain to give a surprise to her father. Like it or not, Rain came along.

Keysa is drawn into Naufan's complicated problems, when she is assigned to persuade the truant Naufan to return to school.

Cloud gets jealous, especially when Rain gives the idea to make Mariana's car into a minivan so that she can sell her cupcakes.

Renata stays away from Mariana and makes Mariana sad, Renata does everything she can to make Mariana's life suffer.