University football team's genius quarterback Adrian Vale and wide receiver Eli Rowan are sworn rivals. After a captaincy showdown, the two are forced by their coach to become partners, and are even made to move into the same estate to live together. As they spend day and night together, Adrian's attitude toward Eli gradually shifts from provocation to ambiguity and concern, and a love letter that unexpectedly appears plunges their relationship into complicated misunderstanding—Eli firmly believes that Adrian likes his sister Maya, so he desperately suppresses his own racing heart, yet cannot control his care and jealousy toward Adrian. As the championship game approaches, the two grow more and more in sync, and the feelings they have hidden for years finally reach a critical point that can no longer be avoided. When the final game ends, Eli discovers that the person the love letter truly points to may never have been the one he thought it was...
