Don't hate me tomorrow

Alice, she has had problems keeping some promises after she was betrayed by her closest friends and family.

She's working from time to time in her sister's bar. There she meets this man and grows to know him. The man comes there quite frequently and it seems he has some heartache.

One time they decide to have one night stand together to escape their own problems.

There is one condition: don't fall in love.

Is Alice able to keep her promise?