1. The plaintiff's claim is dismissed.

2. The costs of lawsuit shall be borne by the Plaintiff.

(b) the facts of the basis;

A. On October 22, 2015, the insurance period from October 22, 2015 to October 22, 2025, the Plaintiff entered into an insurance contract to ensure that the “E” factory building located in Ansan-si (hereinafter “E”) covers property damage arising from the factory, facilities, etc. of the instant case (hereinafter “instant insurance contract”).

B. On March 25, 2017, around 21:24, a fire occurred in the instant plant, and the instant plant buildings, facilities, etc. were damaged.

C. On January 4, 2018, the Plaintiff paid to C totaling KRW 478,057,130 (hereinafter “instant insurance proceeds”) with the insurance proceeds from the instant fire under the instant insurance contract.

The results of the investigation conducted by the competent police station and the fire station which investigated the fire outbreak branch or cause thereof are as follows.

1) Determination of Egradation point in Ansan Fire Station - Related Statements: F staff of unmanned guard company -** (In contact with the company that has been exposed to the moving signal by South Korea, opening the front door at the site and leaving the front door to the lower part of the wall of the inside Agradic Panel. - The burning point and the burning path of the inside work site of the building can be seen to have been launched from the part of the Agradic Panel because the burning of the inside work site of the building was proceeded mainly with the combustion centering on the part where the Agradic Panel is established. - Examination of the cause of fire - Electrical factors: The electrical combustion factor is related to the fact that the part of the power-driven connection connected with the ultrawave line installed at the wall of the Agradic Panel, which is presumed to have been connected with the electric power-frequency control unit connected with the electrical power-driven connecting system.