Lara Jean keeps her love letters in a hatbox her mother gave her. They aren't love letters that anyone else wrote for her, these are the ones she's written. One for every boy she's ever loved--five in all. When she writes, she can pour out her heart and soul and say all the things she would never say in real life, because her letters are for her eyes only. Until the day her secret letters are mailed, and suddenly Lara Jean's love life goes from imaginary...

A native New Yorker Rachel Chu accompanies her longtime boyfriend, Nick Young, to his best friend's wedding in Singapore. Excited about visiting Asia for the first time but nervous about meeting Nick's family, Rachel is unprepared to learn that Nick has neglected to mention a few key details about his life. It turns out that he is not only the scion of one of the country's wealthiest families but also one of its most sought-after bachelors.