在遥不可及的远古年代里，人类与神曾经共存于同一片大地，分享一样的天空世世代代，千百年来当每一个人都对神敬畏膜拜。当每一个人都认为受神劳役是理所当然的事，他选择了一条不一样的路他，要以凡人的身份向众神挑战...
全人类因谜般的现象而在一瞬间石化，之后过了数千年——。 拥有超越人类的头脑，天生的科学少年·千空苏醒了。 “从石器时代到现代文明，要跨越这科学史上的200万年！”。 在这走投无路的状况中，千空寻找着伙伴，决心取回原先的世界！
TVアニメ「Free!－Dive to the Future－」を再構築し、新規エピソードを追加した劇場版。
一个善良的老爷爷种了一棵葫芦树，在他的悉心照顾下，葫芦藤很快结出了七颗大葫芦。葫芦们都很有灵性，老爷爷来了他们争先恐后的叫爷爷，老爷爷十分开心。然而一天，山里的蛇精将老爷爷捉走了，葫芦们看着十分着急，却也无能为力。随后，葫芦们一个个开始成熟了，一天，最大的那个葫芦掉在地上，一个葫芦娃从里面蹦了出来。他向兄弟们挥挥手，决定单枪匹马闯蛇洞去救出爷爷。他能成功吗？
In the year 1524, the former Assassin Ezio Auditore retired to a villa in the countryside of Tuscany, with his wife Sofia and children Marcello and Flavia. While Ezio wrote in his study, Sofia asked him to watch Flavia while she and Marcello visit his sister Claudia. Shortly after, he left his study to tend their vineyards while Flavia played nearby the villa. In the midst of his harvest, he saw a stranger cloaked in black, talking to Flavia. Fearing the worst, Ezio hurriedly intercepted the stranger, though Flavia told him that she was no danger, as Ezio saw her necklace with the Assassin insignia...
