HalfSister (2014)

When Nénette discovers the identity of her father in a letter she quickly goes off in search of him But instead of finding her father she is met by her halfbrother Paul Paul a bitter man who gave up his dream to take over his fathers pharmacy business is less than thrilled at the arrival of his embarrassing halfsister After refusing to take her in he soon gets a taste of his own medicine Under the influence of a potent drug for one day Paul is generous happy and sensitive The next morning however once the drug has worn off his nasty side comes back