Juanjo is an asthmatic boy who has lived protected by his family to the point of drowning him. Miquel grows up in a family with an absent father. His mother tries to get on by herself, but she does not always succeed.
Tender Metalheads is a film about the relationship between Juanjo and Miquel, two teenage boys from Barcelona in 1991 who will take refuge from the grey world they live in in their friendship and heavy music.