Oscar and Teo (13 and 11 years old) are two brothers, very different from each other, who will have to face the loss of their mother, a scientist obsessed with wormholes.

Summer of 1982. Teo claims he has found a wormhole. His brother Óscar does not believe him - at least not for now.

In 1999, a goldsmith revisits his hometown, triggering memories of his summer love affair with a seamstress 25 years prior. Despite their age gap, he vows to rewrite their story but struggles to find her upon his return.