Theseus wanted to go defeat the minitar. But his father didn't want him to. He entered and looked for the minitar.
Theseus found the minatar in the labyrinth . The minatar is half man half bull. Theseus Fought the minatar.
Theseus defeated the minatar. He would get a gift from the princess. Then leave for home.
Theseus promised his dad he would change the sails to white if he was returning safely. But he was returning safe but forgot to change the sails. So his father committed suicide by jumping into the water.
His father was saddened so he jumped into the water.His father didn't know he was returning. So he committed suicide.
He returned safely.But he forgot to change the sail. So when he came back his father was dead in the water.