Unlikely love, (malec)

Alec has been abused by his dad ever sense his mother died. His father blamed him for his mother's car accident. Alec blames himself as well.
Alec has no friends and is very anti social. he never shows emotion.

Magnus has been blamed for his mother's death , from sucide.
He killed his father by accident one night.
He lives alone and has a happy persona to most. no one can tell he is depressed and unhappy.
He has daited many, many people just trying to feel loved.

What happens when there two unlikely souls fall in love?