《遗留搜查 SP1》是一部由上川隆也、内藤刚志和萤雪次朗主演的日本犯罪片，于2013年上映。这部电影由长谷川康执导，充满紧张刺激的剧情使其成为一部备受关注的作品。

影片的故事发生在一个犯罪搜查组内部。在这个特殊的组织中，各种各样的案件都会经历一个名为“遗留搜查”的阶段。这些“遗留案件”是指以前未解决的案件，当时的调查进展不顺利，导致无法得出结论。而这个特殊搜查组的成员则被指派去重新审视这些案件，找出隐藏在案件背后的真相。

片中，上川隆也饰演的主人公是一个经验丰富的刑警，他以敏锐的洞察力和聪明才智著称。内藤刚志则饰演一个技术高超的鉴证人员，他善于从物证中找到线索。而萤雪次朗则饰演一位资深的侦探，拥有丰富的调查经验。

故事中的主要案件是一宗复杂的连环杀人案。这个案件在当初的调查中被悬而未决，让人们备感困惑。随着主人公的深入调查，他们逐渐揭开了一个个令人震惊的谜团。这场悬疑案件既牵扯到了失踪人口，又涉及到了犯罪组织的勾结，引发了观众的极大兴趣和期待。

"Legacy Search SP1" is a Japanese crime film starring Takaya Kamikawa, Tsuyoshi Naito and Jiro Hotaru. Released in 2013. Directed by Yasushi Hasegawa, the film's action-packed plot makes it a much-anticipated entry.

The story of the film takes place within a criminal investigation team. In this particular organization, various cases go through a stage called "legacy search". These "legacy cases" are previously unsolved cases where investigations did not go well enough to reach conclusions. And members of this special search team were assigned to re-examine these cases and find out the truth hidden behind the cases.

In the film, the protagonist played by Takaya Uekawa is an experienced criminal policeman. Known for his keen insight and ingenuity. Tsuyoshi Naito plays a highly skilled forensic officer who is good at finding clues from physical evidence. Hotaru Yukiro plays a senior detective with rich investigation experience.

The main case in the story is a complex serial murder case. The case was left unsolved during the original investigation, leaving people baffled. With the protagonist's in-depth investigation, they gradually uncovered shocking mysteries one by one. This suspenseful case involved both missing persons and collusion with criminal organizations, which aroused great interest and expectations from the audience.