The band (MHSCS) MagHapon Sa ComShop with Conrad North Gutierrez standing out as the most attractive member. Conrad secretly falls in love with Stella de Gaulle, the sister of fellow bandmate and best friend Sirius de Gaulle. Since Stella fears her brother Sirius will separate them if he finds out, they agrees to keep their relationship hidden. But Conrad's reason for hiding the truth is itself a lie, putting their love and trust at risk during their golden hour.

Harue L. Kobayashi, a member of the band MHSCS, begins treating Stella kindly not out of genuine care, but to make Conrad jealous: after Conrad's past betrayal involving Harue. However, as Harue plays this dangerous game, he starts to deconstruct the true mechanics of his own heart.

Shawn Lawrence V. Ford member of the band MHSCS, starts dating Amelia Carmina. This makes Sirius free a lightning strike of pain inside him. Consumed by betrayal and anger, Sirius grows to hate all his friends or bandmates. The brewing storm of emotions threatens to drown their friendships and shatter the music that made them.

Miko Jake D. Sandoval member of the band MHSCS, determined to debug the fractured connections among his friends and band. Caught in the system errors between the four members, he codes an important game, an executable program symbolizing their shared dreams and the resilient Filipino friendship, pagtambay sa compshop that compiled them into a band. MagHapon Sa CompShop proves that even when the system crashes, unity can be rebooted.