When Juli meets Bryce in the second grade, she knows it's true love. After spending six years trying to convince Bryce the same, she's ready to give up - until he starts to reconsider.

Where do you find love? Sometimes all you need is a sign.

An other-worldly story, set against the backdrop of Cold War era America circa 1962, where a mute janitor working at a lab falls in love with an amphibious man being held captive there and devises a plan to help him escape.

日本神户某个飘雪的冬日，渡边博子（中山美穗）在前未婚夫藤井树的两周年祭日上又一次悲痛到不能自已。正因为无法抑制住对已逝恋人的思念，渡边博子在其中学同学录里发现“藤井树” 在小樽市读书时的地址时，依循着寄发了一封本以为是发往天国的情书。 不想不久渡边博子竟然收到署名为“藤井树（酒井美纪）”的回信，经过进一步了解，她知晓此藤井树是一个同她年纪相仿的女孩，且还是男友藤井树（柏原崇）少年时代的同班同学。为了多了解一些昔日恋人在中学时代的情况，渡边博子开始与女性藤井树书信往来。而藤井树在不断的回忆中，渐渐发现少年时代与她同名同姓的那个藤井树曾对自己藏了一腔柔情。