She doesn't remember anything. Their first date, their first kiss, the first time he bought her flowers, their first fight. She doesn't even know who he is. She's forgotten something horrible, something no one wants to remind her of. So what exactly happens when everything disappears?

Serendipity means a "happy accident" or "pleasant surprise". Specifically, the accident of finding something good or useful without looking for it. That is exactly what Jessica experiences when she runs in to Zayn Malik; an individual who changes her life. For the better or worse? She isn't too sure.